Correct option is C
Correct Answer: (C) Department of Military
Explanation:
→ Diwan-i-Arz was the department responsible for military administration in the Delhi Sultanate.
→ It managed recruitment, organization, payment and discipline of the army.
→ The head of this department was called Ariz-i-Mumalik.
→ This office ensured readiness and efficiency of the Sultan’s forces.
→ Hence, Diwan-i-Arz was related to the military department.
Information Booster:
→ Diwan-i-Arz was strengthened under Alauddin Khalji.
→ Military reforms included strict inspection of horses and soldiers.
→ Salaries were paid directly by the state.
→ Army was crucial for territorial expansion.
→ Delhi Sultanate had a centralized military system.
Additional Information (Other Options):
Option (A): Foreign affairs were handled by Diwan-i-Risalat.
Option (B): Royal correspondence also fell under Diwan-i-Risalat.
Option (D): Finance department was Diwan-i-Wizarat.